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Finding the Fourth Proportional to 386,606.77, 533,520.24 and 214,525.41

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Solution

The fourth proportional to 386,606.77, 533,520.24 and 214,525.41 is: 296,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,606.77 : 533,520.24 = 214,525.41 : x
  2. Step 2: Convert to fraction form
    386,606.77/533,520.24 = 214,525.41/x
  3. Step 3: Cross multiply
    386,606.77x = 533,520.24 × 214,525.41
  4. Step 4: Simplify right side
    386,606.77x = 114,453,650,235.24
  5. Step 5: Solve for x
    x = 114,453,650,235.24/386,606.77
  6. Step 6: Final answer
    x = 296,046.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.